1
by Persily, Larry
Published December 18, 2018
Contents: '; ... crossings and about trenchless river crossings for some rivers using direct microtunneling at permafrost...
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2
by Persily, Larry
Published November 27, 2018
Contents: '; ... is provided. The filings explain AGDC's decision to use direct microtunneling instead of horizontal...
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3
by Persily, Larry
Published May 7, 2019
Contents: '; ...-laying operations. Additional answers covered fire-supression, microtunneling, air transport, and salmon...
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